Happel David
Director · Officer · SGMT
As of 2026-09-16, Happel David has 8 Form 4 transactions on record across 1 company — 5 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in July in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $7.8M
- Indirect $0
| SGMT | direct | 741,570 sh | $7.8M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-20 | SGMT | Sale | 64,051 @ $7.76 | $497K | −8.0% of holding | 741,570 | Form 4 |
| 2026-02-10 | SGMT | Sale | 12,101 @ $5.36 | $65K | −1.8% of holding | 677,621 | Form 4 |
| 2025-07-21 | SGMT | Sale | 65,478 @ $9.13 | $598K | −8.7% of holding | 689,722 | Form 4 |
5 award / exercise / gift records — not counted as purchases
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.